Home / 14,038.38-21,057.24-4,177.76

Finding the Fourth Proportional to 14,038.38, 21,057.24 and 4,177.76

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Solution

The fourth proportional to 14,038.38, 21,057.24 and 4,177.76 is: 6,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.38 : 21,057.24 = 4,177.76 : x
  2. Step 2: Convert to fraction form
    14,038.38/21,057.24 = 4,177.76/x
  3. Step 3: Cross multiply
    14,038.38x = 21,057.24 × 4,177.76
  4. Step 4: Simplify right side
    14,038.38x = 87,972,094.98
  5. Step 5: Solve for x
    x = 87,972,094.98/14,038.38
  6. Step 6: Final answer
    x = 6,266.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.